//修改页面titlevar pageTitle=document.getElementsByTagName("title")[0].innerHTML;if(location.href.indexOf("index.html")>-1 || location.href.indexOf("html")==-1){	document.getElementsByTagName("title")[0].innerHTML="内容";}//微信JSSDKdocument.write('');//rem自动计算(function(doc, win) {	var docEl = doc.documentElement,		resizeEvt = 'orientationchange' in window ? 'orientationchange' : 'resize',		recalc = function() {			var clientWidth = docEl.clientWidth;			if (!clientWidth) return;			docEl.style.fontSize = 100 * (clientWidth / 750) + 'px';		};	if (!doc.addEventListener) return;	win.addEventListener(resizeEvt, recalc, false);	doc.addEventListener('DOMContentLoaded', recalc, false);})(document, window);